Fix issue found by the review
Fix issue found by the review

Signed-off-by: Jean-Pierre Matsumoto <30b9746ac4ca429e4fb473e2e72453ba708c773e@gmail.com>

opscode-cookbooks/squid,jpmat296/squid,snkutlu/squid,jpmat296/squid,snkutlu/squid,chef-cookbooks/squid,opscode-cookbooks/squid,chef-cookbooks/squid